The `withComposerOptions(options)` method is responsible for configuring the prompt input area and submit button.
If provided, it should be an object properties from the table listed below.

* Type: `ComposerOptions`

```tsx
type ComposerOptions = {
    placeholder?: string;
    autoFocus?: boolean;
    disableSubmitButton?: boolean;
    submitShortcut?: 'Enter' | 'CommandEnter';
}
```

| Property | Type |  Default |Description |
| --- | --- | --- | --- |
| `placeholder` | `string` | - | The placeholder message to be displayed in the prompt input field when empty. |
| `autoFocus` | `boolean` | `false` | If `true`, the composer input will be focused when `AiChat` is mounted. |
| `disableSubmitButton` | `boolean` | `false` | This will override the disabled state of the submit button when the composer is in `typing` status. It will not have any impact in the composer `submitting` and `waiting` statuses, as the submit button is always disabled in these statuses. |
| `submitShortcut` | `'Enter'`&nbsp;\|&nbsp;`'CommandEnter'` | `'Enter'` | The keyboard shortcut to submit the prompt message.<br />— `Enter`: The user can submit the prompt message by pressing the `Enter` key. In order to add a new line, the user can press `Shift + Enter`.<br />— `CommandEnter`: When this is used, the user can submit the prompt message by pressing `Ctrl + Enter` on Windows/Linux or `Cmd + Enter` on macOS. In order to add a new line, the user can press `Enter`. |

* Usage:
